1990 BMW Z1 vs. 1957 Riley 2.6
To start off, 1990 BMW Z1 is newer by 33 year(s). Which means there will be less support and parts availability for 1957 Riley 2.6. In addition, the cost of maintenance, including insurance, on 1957 Riley 2.6 would be higher. At 2,639 cc (6 cylinders), 1957 Riley 2.6 is equipped with a bigger engine. In terms of performance, 1990 BMW Z1 (175 HP @ 5800 RPM) has 74 more horse power than 1957 Riley 2.6. (101 HP @ 4500 RPM). In normal driving conditions, 1990 BMW Z1 should accelerate faster than 1957 Riley 2.6. With that said, vehicle weight also plays an important factor in acceleration. 1957 Riley 2.6 weights approximately 390 kg more than 1990 BMW Z1.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1990 BMW Z1 (230 Nm @ 4000 RPM) has 36 more torque (in Nm) than 1957 Riley 2.6. (194 Nm @ 2500 RPM). This means 1990 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 1957 Riley 2.6.
Compare all specifications:
| 1990 BMW Z1 | 1957 Riley 2.6 | |
| Make | BMW | Riley |
| Model | Z1 | 2.6 |
| Year Released | 1990 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2639 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 101 HP |
| Engine RPM | 5800 RPM | 4500 RPM |
| Torque | 230 Nm | 194 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 82 mm | 79.4 mm |
| Engine Stroke Size | 78.8 mm | 88.9 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1640 kg |
| Vehicle Length | 3960 mm | 4720 mm |
| Vehicle Width | 1810 mm | 1710 mm |
| Vehicle Height | 1280 mm | 1560 mm |
| Wheelbase Size | 2450 mm | 2890 mm |
